New York City Transit's Trip Planner has gone mobile to allow commuters
to get subway and bus directions from any web-enabled phone or PDA.

With Trip Planner On the Go! you can get:

• customized subway and bus travel directions.
• train and bus schedules .
• service advisories that let you know about planned service
changes.
• service alerts that let you know when a train is unexpectedly
taken off its route.